Home / 3,443,853.60-5,165,780.40-1,314,007.20

Finding the Fourth Proportional to 3,443,853.60, 5,165,780.40 and 1,314,007.20

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Solution

The fourth proportional to 3,443,853.60, 5,165,780.40 and 1,314,007.20 is: 1,971,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443,853.60 : 5,165,780.40 = 1,314,007.20 : x
  2. Step 2: Convert to fraction form
    3,443,853.60/5,165,780.40 = 1,314,007.20/x
  3. Step 3: Cross multiply
    3,443,853.60x = 5,165,780.40 × 1,314,007.20
  4. Step 4: Simplify right side
    3,443,853.60x = 6,787,872,639,218.88
  5. Step 5: Solve for x
    x = 6,787,872,639,218.88/3,443,853.60
  6. Step 6: Final answer
    x = 1,971,010.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.